Narrower radiation after brain cancer surgery may reduce harm without sacrificing control

NCT ID NCT07368283

First seen Feb 01, 2026 · Last updated May 16, 2026 · Updated 9 times

Summary

This study tests whether using a smaller radiation area after glioblastoma surgery can control tumor growth while causing fewer side effects. About 79 adults aged 18-70 who had surgery for this aggressive brain cancer will receive radiation to a 1 cm margin around the original tumor, plus standard chemotherapy. The main goals are to see how many patients are still alive without tumor growth at 6 months and to track serious brain side effects.

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